Re: monter un disque raid et lvm

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Author: anne.guilde@free.fr
Date:  
To: ML Guilde
Subject: Re: monter un disque raid et lvm
Le 21/01/2014 22:41, anne.guilde@??? a écrit :
> bonjour
>
> J'ai mis un disque dur dans un boîtier externe en usb.
> Le disque est en raid + lvm
>
> # sfdisk -l
> ...
> Disk /dev/sdc: 30401 cylinders, 255 heads, 63 sectors/track
> Units = cylinders of 8225280 bytes, blocks of 1024 bytes, counting from 0
>
>     Device Boot Start     End   #cyls    #blocks   Id  System
> /dev/sdc1   *      0+     12      13-    104391   fd  Linux raid autodetect
> /dev/sdc2         13   30400   30388  244091610   fd  Linux raid autodetect
> /dev/sdc3          0       -       0          0    0  Empty
> /dev/sdc4          0       -       0          0    0  Empty

>
> ----------------
>
> # mdadm --assemble --scan
> mdadm: /dev/md1 has been started with 1 drive (out of 2).
> mdadm: /dev/md2 has been started with 1 drive (out of 2).
>
> # pvscan
>    PV /dev/md2   VG main   lvm2 [232,78 GiB / 0    free]
>    Total: 1 [232,78 GiB] / in use: 1 [232,78 GiB] / in no VG: 0 [0   ]

>
> # vgscan
>    Reading all physical volumes.  This may take a while...
>    Found volume group "main" using metadata type lvm2

>
> # vgs
>    VG   #PV #LV #SN Attr   VSize   VFree
>    main   1   2   0 wz--n- 232,78g    0

>
> # vgchange -ay /dev/main
>    2 logical volume(s) in volume group "main" now active

>
> # lvs
>    LV   VG   Attr     LSize   Pool Origin Data%  Move Log Copy%  Convert
>    root main -wi-a--- 228,84g
>    swap main -wi-a---   3,94g

>
> # mount /dev/mi /media/dd-sylvain1
> mount: special device /dev/mi does not exist
> root@anne:/home/anne# mount /dev/main/root /media/dd-sylvain1
> mount: wrong fs type, bad option, bad superblock on /dev/mapper/main-root,
>         missing codepage or helper program, or other error
>         In some cases useful info is found in syslog - try
>         dmesg | tail  or so

>
> # dmesg | tail
> [377668.074598] sd 13:0:0:0: [sdc] Sense Key : Medium Error [current]
> [377668.074606] sd 13:0:0:0: [sdc] Add. Sense: Unrecovered read error
> [377668.074615] sd 13:0:0:0: [sdc] CDB: Read(10): 28 00 00 06 37 f5 00
> 00 f0 00
> [377668.074629] end_request: critical target error, dev sdc, sector 407541
> [377668.074764] JBD: Failed to read block at offset 22720
> [377668.082268] JBD: recovery failed
> [377668.082281] EXT3-fs (dm-0): error loading journal
> [377671.070081] sd 4:0:0:0: [sdb] Test WP failed, assume Write Enabled
> [377671.073428] sd 4:0:0:0: [sdb] Asking for cache data failed
> [377671.073441] sd 4:0:0:0: [sdb] Assuming drive cache: write through
>
> ----------------
>
> Quelle commande faire?
>


Marche pas le mount...
Comment solutionner?